Home / 87,049.20-130,585.42-34,446.38

Finding the Fourth Proportional to 87,049.20, 130,585.42 and 34,446.38

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Solution

The fourth proportional to 87,049.20, 130,585.42 and 34,446.38 is: 51,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,049.20 : 130,585.42 = 34,446.38 : x
  2. Step 2: Convert to fraction form
    87,049.20/130,585.42 = 34,446.38/x
  3. Step 3: Cross multiply
    87,049.20x = 130,585.42 × 34,446.38
  4. Step 4: Simplify right side
    87,049.20x = 4,498,195,327.25
  5. Step 5: Solve for x
    x = 4,498,195,327.25/87,049.20
  6. Step 6: Final answer
    x = 51,674.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.